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Re: Converting distance to degrees [message #76546 is a reply to message #76538]

Thu, 16 June 2011 06:32

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article
<33651085-7428-4309-a843-8d4a6bb9f330@e17g2000prj.googlegroups.com>,
Ashley Berg <ashley.berg@gmail.com> wrote:

> I have an ASCII grid of 1-km data values across the conterminous US,
> 4629 cols x 2931 rows. I was wondering if there is some kind of
> routine in IDL that will convert kilometers to degrees? I need to
> convert the 1-km data to a 0.5x0.5 degree grid.

Since the Earth is a sphere (approximately), it is
not possible to have a regular 1 km grid over any large area
of the Earth's surface.

You probably need to check with the data set's creator
to find out what kind of grid it really is.

Ken Bowman

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[Message index]

		Re: Converting distance to degrees By: Klemen on Fri, 17 June 2011 01:44
		Re: Converting distance to degrees By: Ashley Berg on Thu, 16 June 2011 10:49
		Re: Converting distance to degrees By: Kenneth P. Bowman on Thu, 16 June 2011 06:32

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